Secure Shell: Difference between revisions

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The '''Secure Shell''' or '''SSH''' is a network protocol for secure remote login, providing an encrypted connection instead of the unencrypted, and therefore insecure, connection of [[telnet]].
The '''Secure Shell''' or '''SSH''' is a network protocol for secure remote login, providing an encrypted connection instead of the unencrypted, and therefore insecure, connection of [[telnet]].


The protocol is documented in a series of RFCs. <ref>{{citation
There was an [http://www.ietf.org/wg/concluded/secsh.html IETF Working Group] for SSH; it has completed its work. The protocol is documented in a series of RFCs. <ref>{{citation
| id = rfc4251
| id = rfc4251
| author = S. Lehtinen, C. Lonvick
| title = The Secure Shell (SSH) Protocol Assigned Numbers
| date = January 2006
| url = http://www.ietf.org/rfc/rfc4251.txt
}}</ref> <ref>{{citation
| id = rfc4250
| author = T. Ylonen, C. Lonvick
| author = T. Ylonen, C. Lonvick
| title =  The Secure Shell (SSH) Protocol Architecture
| title =  The Secure Shell (SSH) Protocol Architecture
| date = January 2006
| date = January 2006
| url = http://www.ietf.org/rfc/rfc4251.txt
| url = http://www.ietf.org/rfc/rfc4250.txt
}}</ref>  <ref>{{citation
}}</ref>  <ref>{{citation
| id = rfc4252
| id = rfc4252
Line 19: Line 26:
| date = January 2006
| date = January 2006
| url = http://www.ietf.org/rfc/rfc4253.txt
| url = http://www.ietf.org/rfc/rfc4253.txt
}}</ref> <ref>{{citation
| id = rfc4254
| author = T. Ylonen, C. Lonvick
| title = The Secure Shell (SSH) Connection Protocol
| date = January 2006
| url = http://www.ietf.org/rfc/rfc4254.txt
}}</ref> <ref>{{citation
| id = rfc4255
| author = J. Schlyter, W. Griffin
| title = Using DNS to Securely Publish Secure Shell (SSH) Key Fingerprints
| date = January 2006
| url = http://www.ietf.org/rfc/rfc4255.txt
}}</ref> <ref>{{citation
| id = rfc4256
| author =  F. Cusack, M. Forssen
| title = Generic Message Exchange Authentication for the Secure Shell Protocol (SSH)
| date = January 2006
| url = http://www.ietf.org/rfc/rfc4256.txt
}}</ref> <ref>{{citation
}}</ref> <ref>{{citation
| id = rfc4716
| id = rfc4716
Line 26: Line 51:
| url = http://tools.ietf.org/html/rfc4716
| url = http://tools.ietf.org/html/rfc4716
}}</ref>
}}</ref>
Most Unix-based systems include an SSH client, and often a server as well. The [http://www.openssh.com/ Open SSH] project, part of [[OpenBSD]], are the main developers. A client for Windows is [http://www.chiark.greenend.org.uk/~sgtatham/putty/ Putty].


== References ==
== References ==
{{reflist}}
{{reflist}}

Latest revision as of 12:22, 22 November 2011

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The Secure Shell or SSH is a network protocol for secure remote login, providing an encrypted connection instead of the unencrypted, and therefore insecure, connection of telnet.

There was an IETF Working Group for SSH; it has completed its work. The protocol is documented in a series of RFCs. [1] [2] [3] [4] [5] [6] [7] [8]

Most Unix-based systems include an SSH client, and often a server as well. The Open SSH project, part of OpenBSD, are the main developers. A client for Windows is Putty.

References

  1. S. Lehtinen, C. Lonvick (January 2006), The Secure Shell (SSH) Protocol Assigned Numbers, rfc4251
  2. T. Ylonen, C. Lonvick (January 2006), The Secure Shell (SSH) Protocol Architecture, rfc4250
  3. T. Ylonen, C. Lonvick (January 2006), The Secure Shell (SSH) Authentication Protocol, rfc4252
  4. T. Ylonen, C. Lonvick (January 2006), The Secure Shell (SSH) Transport Layer Protocol, rfc4253
  5. T. Ylonen, C. Lonvick (January 2006), The Secure Shell (SSH) Connection Protocol, rfc4254
  6. J. Schlyter, W. Griffin (January 2006), Using DNS to Securely Publish Secure Shell (SSH) Key Fingerprints, rfc4255
  7. F. Cusack, M. Forssen (January 2006), Generic Message Exchange Authentication for the Secure Shell Protocol (SSH), rfc4256
  8. J. Galbraith, R. Thayer (November 2006), The Secure Shell (SSH) Public Key File Format, rfc4716